Your engine's oil is its life blood. Depending on how you drive and what conditions you drive in will determine how often you should change your oil. When it comes time to have your vehicle serviced, don't be easily persuaded to switch to synthetic oil. There is a time when it may become an option, but if your car is running well, chances are you simply don't need it. Learn more about getting an oil change and when your next auto servicing should be.